[WebAssembly] Avoid repeated hash lookups (NFC)

[kazutakahirata]

No description provided.

[llvmbot]

@llvm/pr-subscribers-backend-webassembly

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/129469.diff

1 Files Affected:

• (modified) llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp (+3-2)

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp
index a308d7f3e09e0..c010f1a523932 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp
@@ -491,8 +491,9 @@ static Value *getAddrSizeInt(Module *M, uint64_t C) {
 Function *
 WebAssemblyLowerEmscriptenEHSjLj::getFindMatchingCatch(Module &M,
                                                        unsigned NumClauses) {
-  if (FindMatchingCatches.count(NumClauses))
-    return FindMatchingCatches[NumClauses];
+  if (auto It = FindMatchingCatches.find(NumClauses);
+      It != FindMatchingCatches.end())
+    return It->second;
   PointerType *Int8PtrTy = PointerType::getUnqual(M.getContext());
   SmallVector<Type *, 16> Args(NumClauses, Int8PtrTy);
   FunctionType *FTy = FunctionType::get(Int8PtrTy, Args, false);